Dahiya, P., Jain, S., Gupta, N., sen, J. and Jain, N. (2016) “Comparative study of transperineal and transvaginal sonography for localization of placenta in antepartum haermorrhage”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 5(1), pp. 48–52. doi: 10.18203/2320-1770.ijrcog20151496.